540078406 has 16 divisors (see below), whose sum is σ = 980310816. Its totient is φ = 217846656.

The previous prime is 540078379. The next prime is 540078419. The reversal of 540078406 is 604870045.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134381 + ... + 1134856.

It is an arithmetic number, because the mean of its divisors is an integer number (61269426).

Almost surely, 2^540078406 is an apocalyptic number.

540078406 is a deficient number, since it is larger than the sum of its proper divisors (440232410).

540078406 is a wasteful number, since it uses less digits than its factorization.

540078406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269263.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 540078406 is about 23239.5870445238. The cubic root of 540078406 is about 814.3646954096.

The spelling of 540078406 in words is "five hundred forty million, seventy-eight thousand, four hundred six".